Abstract
Using GIS to analysis urban water supply pipeline network characteristic, it can make full use of GIS spatial data management and graphics processing advantages. This paper is on the basis of clarified the importance of the dynamic characteristics, it include three aspects of research. First, topological graph modeling, establishes the section between the nodes and directed graph, and uses adjacency list to store; Second, spatial database structure, it designed by the topography and galleries, some data sets, the line data set, the surface data and document data sets of pipe network GIS spatial data structure; Third, nodal flow dynamic characteristics, analysis of node flow of small changes ,which can lead to node pressure and the change in the flow section, and build the mathematical model. In this paper, the research contents to ensure the security of urban water supply, improve the level of urban management information, improve emergency management capability of urban is of great significance.
Published Version
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